1. Reptile question:Discuss how the extraembryonic membranes of the amniotic egg provide the growing requirements of the developing embryo. [5 marks]
2. Mammal question:Compare and discuss true horn and antlers?
3. (a) Provide a brief overview of gas exchange strategies and organs found in the Class Amphibia
(b) Discuss the unique breeding season structures of the African anuran Trichobatrachus robustus and what advantages that these structures are believed to confer.
4. Discuss osmoregulation in a seawater Actinopterygii fish. In your answer, include the problems faced by the fish, the organs used by the fish and the osmoregulatory function of each organ